Seiko Cal. 4524 - 677

The Seiko 4524-677 represents an important milestone in Seiko's 1972 lineup. Powered by the 4524 caliber with 34j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-0e0ffce61938]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1972

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